CN217682784U

CN217682784U - Lifting pivot device of helical gear intermittent action system

Info

Publication number: CN217682784U
Application number: CN202221341881.XU
Authority: CN
Inventors: 陈嘉辉; 陈立中
Original assignee: Kunshan Gangyi Precision Electronic Technology Co ltd
Current assignee: Kunshan Gangyi Precision Electronic Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-28
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a helical gear intermittent type actuating system lifting pivot ware, including a pair of backup pad, LCD driving shaft, driven shaft and first connection piece, erect of LCD driving shaft and driven shaft rotation type in the backup pad, the one end of LCD driving shaft is fixed with first connection piece, still includes ejector pin structure and drive assembly and torsion adjustment unit, the ejector pin structure is installed to the driven shaft one stretching out end, install between LCD driving shaft and the driven shaft with LCD driving shaft rotary motion changes into the drive assembly of the intermittent type lifting action of ejector pin structure, torsion adjustment unit is equipped with on LCD driving shaft and the driven shaft altogether. In this way, the utility model discloses can be through the action of opening and shutting of LCD display screen system component in the lifting notebook, the heat dissipation of being convenient for, the LCD display screen angle of opening and shutting commonly used (being greater than 90) combines together with the system component lifting height (optimum radiating height), and the radiating effect is good.

Description

Lifting pivot device of helical gear intermittent action system

Technical Field

The utility model relates to a pivot ware technical field especially relates to a helical gear intermittent type actuating system lifting pivot ware.

Background

Generally, an electronic device such as a notebook computer generally includes a main body and an upper cover for opening, the two are connected at an opposite end by a pivot connector, so that the upper cover can be opened upwards to a working state or closed downwards on the surface of the main body by using the pivot connector as an action axis, a system component is arranged in the electronic device such as the notebook computer, the system component is tightly attached to an installation surface, after the electronic device such as the notebook computer runs for a long time, the system component generates a large amount of heat and is difficult to dissipate heat, the chinese patent No. CN202121402238.9 discloses a small-space large-axis distance pivot connector capable of realizing a plurality of specific angle states, the pivot connector can only realize the overturning of the upper cover at specific angles, and if the system component can be driven to be lifted away from the installation surface while the upper cover is opened, the heat can be effectively dissipated.

Based on the above drawbacks and deficiencies, there is a need to improve the prior art and to design a helical gear intermittent motion system lift pivot.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a helical gear intermittent type action system lifting pivot ware, and the LCD driving shaft rotates and drives ejector pin structure lifting, can be through the action lifting notebook system component that opens and shuts of LCD display screen, and the heat dissipation of being convenient for combines together the LCD display screen angle that opens and shuts commonly used (being greater than 90 °) and system component lifting height (optimum radiating height), and the radiating effect is good.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a helical gear intermittent action system lifting pivot ware, this kind of helical gear intermittent action system lifting pivot ware include a pair of backup pad, LCD driving shaft, driven shaft and first connecting piece, the erectting of LCD driving shaft and driven shaft rotation type is in the backup pad, the one end of LCD driving shaft is fixed with first connecting piece, still includes ejector pin structure and drive assembly and torsion adjustment unit, the ejector pin structure is installed to one end that stretches out of driven shaft, install between LCD driving shaft and the driven shaft with LCD driving shaft rotary motion changes into the drive assembly of the intermittent type lifting action of ejector pin structure, torsion adjustment unit is equipped with altogether on LCD driving shaft and the driven shaft.

Preferably, the transmission assembly comprises a driving gear, a driven gear and a final gear, the driving gear is mounted on the LCD driving shaft, the final gear is mounted on the driven shaft, the driving gear and the final gear are in meshed transmission connection through two driven gears, and the driven gears are perpendicular to the pair of supporting plates.

Preferably, the driving gear, the driven gear and the final gear are helical gears.

Preferably, the ejector rod structure comprises a second connecting piece, a lifting piece and a connecting rod, the second connecting piece is installed on the supporting plate, a guide sliding groove is formed in the vertical portion of the second connecting piece, the lifting piece is clamped in the guide sliding groove, and the lifting piece is movably connected with the driven shaft through the connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that:

through the structure, the LCD driving shaft rotates to drive the ejector rod structure to lift, and system components in the notebook can be lifted through the opening and closing action of the LCD display screen, so that heat dissipation is facilitated;

be provided with the gear ring and lack position portion on the driving gear, the LCD driving shaft rotates the intermittent type and drives ejector pin structure lifting, and the LCD display screen angle of opening and shutting (being greater than 90 degrees) commonly used combines together with system's subassembly lifting height (optimum radiating height), and the radiating effect is good.

Drawings

FIG. 1 is a schematic diagram of a bevel gear intermittent motion system lift pivot.

FIG. 2 is another perspective view of a bevel gear indexing system lift pivot.

FIG. 3 is a partial cross-sectional view of a helical gear indexing system lift pivot.

Wherein, 1-a support plate; 2-LCD driving shaft; 3-driven shaft; 4-a first connecting piece; 5, a top rod structure; 51-a second connection piece; 510-a guide chute; 52-lifting sheet; 521-the fixture block is convex; 522-open slots; 53-connecting rod; 6-a transmission assembly; 61-a drive gear; 610-gear ring vacancy part; 62-a driven gear; 63-final gear; 7-a torque force adjustment unit; 71-double sided cam; 72-concave wheel carrier; 73-torsion mechanism.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make clear and definite definitions of the protection scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the present invention includes:

the utility model provides a helical gear intermittent action system lifting pivot ware, this kind of helical gear intermittent action system lifting pivot ware include a pair of backup pad 1, LCD driving shaft 2, driven shaft 3 and first connecting piece 4, erect of

LCD driving shaft

1 and 2 rotations of driven shaft in backup pad 1, the one end of LCD driving shaft 2 is fixed with first connecting piece 4, still includes ejector pin structure 5 and drive assembly 6 and

torsion adjusting unit

7, 3 one of driven shaft stretch out the end and install ejector pin structure 5, install between LCD driving shaft 2 and the driven shaft 3 with LCD initiative 2 axle rotary motion change into the drive assembly 6 of the intermittent lifting action of ejector pin structure 5, torsion adjusting unit 7 is equipped with altogether on LCD driving shaft 2 and the driven shaft 3, and first connecting piece 4 is connected with the LCD display screen of notebook, and ejector pin structure 5 is connected with the interior system component of notebook.

The transmission assembly 6 comprises a driving gear 61, a driven gear 62 and a final gear 63, wherein the driving gear 61 is mounted on the LCD driving shaft 2, the final gear 63 is mounted on the driven shaft 3, the driving gear 61 and the final gear 63 are in meshed transmission connection through the two driven gears 62, the driven gears 62 are perpendicular to the pair of supporting plates 1, a gear ring notch 610 is arranged on the driving gear 61, when the driving gear 61 rotates 1-30 degrees, the gear ring notch 610 is opposite to the driven gears 62, the driving gear 61 rotates to not drive the driven gears 62 to rotate, the driving gear 61 starts to rotate 75 degrees from 30 degrees and drives the final gear 63 to rotate, so that the ejector rod structure 5 is driven to lift, and the driving gear 61, the driven gears 62 and the final gear 63 adopt helical gears.

The push rod structure 5 comprises a second connecting piece 51, a lifting piece 52 and a connecting rod 53, the second connecting piece 51 is mounted on the supporting plate 1, a guide sliding groove 510 is arranged at the vertical part of the second connecting piece 51, the lifting piece 52 is clamped in the guide sliding groove 510, a fixture block protrusion 521 inserted in the guide sliding groove 510 is arranged on the lifting piece 52, the lifting piece 52 is movably connected with the driven shaft 3 through the connecting rod 53, an open groove 522 which is convenient for the extending end of the connecting rod 53 to movably move is transversely arranged on the lifting piece 52, and the driven shaft 3 rotates to drive the lifting piece 52 to move vertically along the guide sliding groove 510 of the second connecting piece 51.

The torsion adjusting unit 7 comprises a double-faced cam 71, a concave wheel bearing frame 72 and a torsion mechanism 73, the LCD driving shaft 2 and the driven shaft 3 are sleeved with the concave wheel bearing frame 72, the LCD driving shaft 2 and the driven shaft 3 between the concave wheel bearing frame 72 and the supporting plate 1 are sleeved with the double-faced cam 71, the two outer end faces of the double-faced cam 71 are provided with protrusions in an array mode, the concave wheel bearing frame 72 and the supporting plate 1 are provided with concave portions matched with the protrusions, the torsion mechanism 73 is installed at one end, penetrating through the concave wheel bearing frame 72, of the LCD driving shaft 2 and comprises flat gaskets, butterfly gaskets, friction gaskets and nuts, the nuts are in threaded connection with one end of the LCD driving shaft 2, the flat gaskets and the flat gaskets are overlapped in a staggered mode and can rotate and are sleeved on the LCD driving shaft 2, the friction gaskets and the LCD driving shaft 2 on the outer sides of the flat gaskets and the butterfly gaskets are rotatably sleeved on the LCD driving shaft 2, rough friction gaskets are formed on two sides of the friction gaskets, the nuts tightly abut against one side surface of the concave wheel bearing frame 7, the torsion adjusting unit 7 can display a closed state and a synchronous change state and an open state and a synchronous change.

The utility model relates to a helical gear intermittent type moving system lifting pivot ware, the equipment is explained: with LCD driving shaft 2 as the basis and carrying out the equipment of piling up of part, driving gear 61 drives two driven gear 62 on the LCD driving shaft 2, and final gear 63 is arrived in the transmission again, installs the 3 outside riveting ejector pin structures 5 of driven shaft of final gear 63, and connecting rod 53 is swung the arm downwards and is driven the action mode that lift tab 52 is straight up-and-down, and the adjustment of final equipment torsion adjusting unit 7 torsion, action explanation: the LCD driving shaft 2 with the angle of 1.0-30 degrees rotates to drive the driving gear 61 to rotate by 1.0-30 degrees, the gear ring vacancy part 610 of the driving gear 61 does not drive the driven gear 62, the LCD driving shaft 2 rotates from 30 degrees to 75 degrees and drives the final gear 63, the final gear 63 drives the driven shaft 3 to rotate, and the driven shaft 3 rotates to drive the upper connecting rod 53 to swing, so that the lifting piece 52 is driven to move vertically along the guide sliding groove 510 of the second connecting piece 51.

The utility model relates to a helical gear intermittent type moving system lifting pivot ware, LCD driving shaft rotate and drive ejector pin structure lifting, can be through the action lifting notebook system component that opens and shuts of LCD display screen, the heat dissipation of being convenient for, the LCD display screen angle that opens and shuts commonly used (be greater than 90) combine together with system component lifting height (optimum radiating height), and the radiating effect is good.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a helical gear intermittent type actuating system lifting pivot ware, includes a pair of backup pad, LCD driving shaft, driven shaft and first connecting piece, erect of LCD driving shaft and driven shaft rotation type in the backup pad, the one end of LCD driving shaft is fixed with first connecting piece, its characterized in that: the LCD driving shaft and the driven shaft are mounted with a transmission assembly for converting the rotation motion of the LCD driving shaft into the intermittent lifting motion of the ejector rod structure, and the LCD driving shaft and the driven shaft are mounted with the torsion adjusting unit.

2. The helical gear intermittent motion system lift pivot as in claim 1, wherein: the transmission assembly comprises a driving gear, a driven gear and a final gear, the driving gear is installed on the LCD driving shaft, the final gear is installed on the driven shaft, the driving gear and the final gear are in meshed transmission connection through two driven gears, and the driven gears are perpendicular to the pair of supporting plates.

3. The helical gear intermittent motion system lift pivot as claimed in claim 2, wherein: the driving gear, the driven gear and the final gear adopt helical gears.

4. The helical gear intermittent motion system lift pivot as in claim 1, wherein: the ejector rod structure comprises a second connecting piece, a lifting piece and a connecting rod, the second connecting piece is installed on the supporting plate, a guide sliding groove is formed in the vertical portion of the second connecting piece, the lifting piece is clamped in the guide sliding groove, and the lifting piece is movably connected with the driven shaft through the connecting rod.